Pith Number

pith:74QA3HIF

pith:2026:74QA3HIFMM4JKGDZDVUYFNB5BV

not attested not anchored not stored refs pending

Ray-Based Simulation of Scattering from Discretized Curved Bodies for Vehicular and ISAC Applications

Ainur Ziganshin, Christian Schneider, Enrico M. Vitucci, Reiner Thomae, Vittorio Degli-Esposti, Wim Kotterman

Discretizing curved surfaces with facets sized by local curvature and wavelength, plus extended diffraction, improves ray-tracing accuracy for vehicle scattering predictions.

arxiv:2604.05991 v2 · 2026-04-07 · eess.SP

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\pithnumber{74QA3HIFMM4JKGDZDVUYFNB5BV}

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Record completeness

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2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

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The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

Results show that appropriate discretization combined with extended diffraction modeling significantly improves scattering prediction from curved bodies, providing a computationally efficient framework for vehicular propagation and integrated sensing and communication (ISAC) channel modeling.

C2weakest assumption

The assumption that linking facet size to local curvature and wavelength balances geometric fidelity, computational accuracy and efficiency sufficiently for practical use in complex scenarios like vehicles.

C3one line summary

Discretizing curved bodies with curvature- and wavelength-dependent facet sizes and using extended UTD improves ray-based scattering predictions for vehicles and roadside structures.

Receipt and verification

First computed	2026-07-03T01:17:20.291136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff200d9d0563389518791d6982b43d0d7529a60b9381596fb1cbf93560a56ae1

Aliases

arxiv: 2604.05991 · arxiv_version: 2604.05991v2 · doi: 10.48550/arxiv.2604.05991 · pith_short_12: 74QA3HIFMM4J · pith_short_16: 74QA3HIFMM4JKGDZ · pith_short_8: 74QA3HIF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/74QA3HIFMM4JKGDZDVUYFNB5BV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ff200d9d0563389518791d6982b43d0d7529a60b9381596fb1cbf93560a56ae1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1c3be3ea38744d54234675dbe43ccee31ff0730a88029cc494e44ba0634f905",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-04-07T15:18:05Z",
    "title_canon_sha256": "e9b7219581fa2528e594d150dc3496ea6f6f6d5b6e18cbdf555eafe077eb9854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.05991",
    "kind": "arxiv",
    "version": 2
  }
}